These are maps
My name is Linda
Is Nick your brother?
Yes,he is
They are not Alan's sisters
How is your mother?
What is that?
What's your phone number?
This is a map.（改为复数句）
These are maps
My name is Linda
Is Nick your brother?
Yes,he is
They are not Alan's sisters
How is your mother?
What is that?
What's your phone number?